Susan Mulvihill is a long-time garden columnist with The Spokesman-Review, a Master Gardener, and author of the blog, Susan's in the Garden. Susan and her husband, Bill, live in Spokane, Washington, where they tend five acres. Susan is known for her down-to-earth approach to teaching and writing that appeals to beginning and experienced gardeners alike. Her humor and enthusiasm for gardening are evident in the hundreds of how-to-garden videos found on her YouTube Channel. In 2019, Susan was the recipient of the Media Award given by the Master Gardener Foundation of Washington State.

Susan is passionate about vegetable gardening and following organic practices. She is co-author of Northwest Gardener's Handbook and author of The Vegetable Garden Pest Handbook. In addition to being a prolific writer, Susan is also a garden photographer.